8167584: aarch32: use "arm" for os.arch system propertyhttp://:443/aarch32-port/jdk9u/#changeset-a3304a423297168ea6ddb176054a8c5f3085d90cenevillenevill2016-10-12T19:58:29+01:002016-10-12T19:58:29+01:00

8144905: aarch32: fails to build due to reliance on autoconf-config.subhttp://:443/aarch32-port/jdk9u/#changeset-efb9022f220f2dcacd362e6cf03a772844b29537enevillenevill2015-12-08T09:21:11+00:002015-12-08T09:21:11+00:00

8144905: aarch32: fails to build due to reliance on autoconf-config.sub
Reviewed-by: duke